PDFtk

PDFtk is a simple tool for doing everyday things with PDF documents.

Adobe Acrobat DC

Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.

Use Ghostscript GSview to open PDF files with owner password restrictions.

PDF Candy is an online service providing tools for handling PDF files.

a collection of PDF tools and utilities to modify and optimize your PDF documents and its content

PDF-Shuffler is a small python-gtk application, which helps the user to merge or split pdf…

The smallest, fastest, most feature-rich PDF editor/viewer available

PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.

Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat

PDFsam Basic, a free, open source, multi-platform software designed to split, merge, extract pages, mix and rotate PDF files

PyPDF2 - A utility to read and write pdfs with Python

QPDF is a command-line program that does structural, content-preserving transformations on PDF…

Split, merge and other powerful PDF tools.

Manipulate PDF documents from the command line

UnityPDF lets you merge, split, divide, rotate, protect PDF files and more.

jPDF Tweak is a Swiss Army Knife GUI application for PDF documents: combine, split, rotate, reorder…